Triple engine jet fighter double seater design



FIG. 1 is a front elevational view of a triple engine jet fighter double seater design;

FIG. 2 is a side elevational view thereof, with the opposite side being a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a perspective view thereof. 

The ornamental design for a triple engine jet fighter double seater design, as shown and described. 